PO2-250

筆型氧氣偵測計

特色

氧氣測量範圍 : 0 ~ 30.0%

溫度範圍 : 0 ~ 50 ºC

測量值低於18%時，警報蜂鳴啟動

採用擴散式測量

偵測頭壽命約一年

讀值鎖定功能.

Size : 180 x 40 x 40 mm

FEATURES

O2 ( Air oxygen ) and Temp. ( Air Temp. ) measurement.

O2 measurement range : 0 to 30.0 % x 0.1 %.

Temp. measurement range : 0 to 50 ℃, ℃/℉.

O2 Buzzer warning : If the measurement value < 18.0 %O2, the buzzer will sound for warning.

Galvanic cell type for O2 sensor.

High reliability Oxygen sensor, not be affected by acidic gases like CO2

Oxygen sensor with temperature compensated.

Data hold, to freeze the desired reading value.

Auto power off saves battery life.

Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.

Microprocessor circuit ensure high accuracy, and also and also provides special functions and features.

Durable and compact ABS-plastic housing.

Application : O2 monitor/dectors, Food industrial ( Refrigerator, Vegetable factory ), Bio-Technology ( Oxygen incubator, Anaerobic cultivator ), Security system ( Air conditioner and Oxygen shortage alarm system, Fire alarm system ), Fuel cell system.

一般規格

顯示 (Display)

LCD size : 28 mm x 19 mm.

測量 (Measurement)

O2 ( Air oxygen )

Temperature ( Air Temp. )

感應器結構 (Sensor Structure)

Oxygen : Galvanic cell type

Temperature : Thermistor

電路 (Circuit)

Custom one-chip of microprocessor LSI circuit.

資料鎖定 (Data hold)

Freeze the display reading.

取樣時間 (Sampling Tim)

Approx. 1 sec

關機 (Power off)

Auto shut off saves battery life. or manual off by push button.

操作溫度 (Operating Temp. )

0 to 50 ℃.  (32 to 122 ℉ ).

操作溼度 (Operating Humidity)

Less than 80% R.H.

電源供應 (Power Supply)

DC 1.5 V battery ( UM4/AAA ) x 4 PCs.

電源電流 (Power Current)

 Approx. DC 4.0 mA

重量 (Weight)

194 g/ 0.43 LB.

體積 (Dimension)

180 x 40 x 40 mm (7.1" x 1.6" x 1.6")

附件 (Standard Accessory)

Instruction manual.....................1 PC

Soft carrying case ( CA-52A )..........1 PC

電器規格 ELECTRICAL SPECIFICATIONS (23 ±5℃)

氧氣 O2 ( Air oxygen )

範圍 (Range) : 0 to 30 %O2.

解析度 (Resolution) : 0.1 %O2.

精確度 (Accuracy) : ± ( 1 % reading + 0.2 % O2 ).

@ After calibration

反應時間 (Response time) : ≦ 15 seconds. @ t 90

過載保護 (Overload protection) : 100 %O2.

環境壓力範圍 (Environment pressure range) : 0.9 to 1.1 atmosphere.

使用壽命 (Expected life time) : ≧2 years.

警報 (Alarm) : If the measurement Air oxygen value < 18.0 %O2,

the buzzer wll soundfor warning.

溫度 Temperature ( Air Temp.)

範圍 (Range) : 0 ℃ to 50 ℃,32 ℉ to 122 ℉.

解析度 (Resolution) : 0.1 degree

精確度 (Accuracy) : ± 0.8 ℃. ;  ± 1.5 ℉.

　

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